Small tools. Zero signup.
Fast, privacy-friendly utilities for everyday API work. Core processing happens locally in your browser.
JSON formatter
Validate, prettify, and inspect JSON payloads.
Open tool →JWTJWT decoder
Inspect token headers and payload claims locally.
Open tool →↔
cURL generator
Coming next: turn request fields into a copyable command.
PLANNED429
Rate-limit calculator
Coming next: model quotas, bursts, and retry windows.
PLANNED